This Anglo Nordic 7099004/8484 Universal Thermistor Is A Great Product And Fits Many Different Kinds Of Boilers In The Uk And Around The World. Some Examples Are As Follows: Baxi Combi Range, 80E, 105E, 105He Etc, Vokera Linea, Sime Boilers, Alpha Cb/Cd Etc, Some Ferroli Models And Many More! This Is A Very Good, Cheap Alternative To The More Expensive Specific Sensors For An Exact Model!